CVE-2025-21173 HIGH

CVE-2025-21173: .NET Elevation of Privilege Vulnerability

Vendor Microsoft
Product .NET 8.0
Weakness CWE-379
Published January 14, 2025
Last update June 9, 2026

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

.NET Elevation of Privilege Vulnerability

Key dates

02Disclosure timeline

January 14, 2025 CVE published
June 9, 2026 Record updated